比喻极其可笑，让人大笑不止to explode with laughter; to laugh so hard one's food gets sprayed everywhere

• 他在饭桌上讲的笑话把大家乐得喷饭。

  The joke he told at the dinner table was so funny everyone sprayed their rice everywhere.

• 我擅长冷幽默，有时观众看我一本正经，说不定下面一句话会让人喷饭。

  I am good at dry humour. Sometimes the audience think I am all proper, but they never know if the next line will make them explode with laughter.